US2448358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized polyvinyl alcohol compositions
Assignee: Resistoflex Corp
•
Filing: 1944-11-27
•
Granted: 1948-08-31
•
Expires: 1964-11-27
Abstract
No abstract record available.
Inventors
- 👤 Dangelmajer Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2035939A
Cited
US2083628A
Cited
US2169250A
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US2246915A
Cited
US2271468A
Cited
US2399456A
Cited
US2399401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |